diff --git a/date_single_day.module b/date_single_day.module
index 33a902d..0c180c0 100644
--- a/date_single_day.module
+++ b/date_single_day.module
@@ -147,6 +147,11 @@ function theme_date_single_day_element($form) {
   $form['value2']['time']['#title'] = t('To time');
   $output .= drupal_render($form['value2']['time']);
 
+  // Render the timezone options if present.
+  if (isset($form['timezone'])) {
+    $output .= drupal_render($form['timezone']);
+  }
+  
   // Render the repeat options if present.
   if (isset($form['rrule'])) {
     $output .= drupal_render($form['rrule']);